Norovirus

Gastroenteritis is often caused by the norovirus.

The norovirus causes nausea, vomiting, diarrhea and stomach cramping.

Norovirus outbreaks are rising across the United States; it is impressively contagious: The virus spreads rapidly, symptoms appear suddenly, and the virus can survive on surfaces for days to weeks.

Almost 100 people came down with norovirus aboard a Royal Caribbean ship amid a 13-day voyage, the Centers for Disease Control and Prevention reported earlier this week. […] There have been 19 norovirus outbreaks on cruise ships so far this year, according to the C.D.C. Last year, there were 18 for the entire year. In 2023, there were 14 — the highest level in a decade.